O-simple strictly regular semigroups.
Orthodox semigroups whose idempotents satisfy a certain identity.
Note on exclusive semigroups.
Announcement of an international symposium on semigroup theory and related fields.
Note on a certain class of orthodox semigroups.
P-systems in regular semigroups.
Quasi-inverse semigroups with special involution.
Finitely generated free *-bands.
P-regular semigroups.
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